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EP 4 147 355 A1

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(43) Date of publication: 15.03.2023 Bulletin 2023/11 (21) Application number: 21800039.6 (22) Date of filing: 27.04.2021

(51) International Patent Classification (IPC):  H03M 1/18(2006.01) (52) Cooperative Patent Classification (CPC): H03M 1/56; H03M 1/122; G01N 33/48721; C12Q 1/6869   C-Sets: C12Q 1/6869, C12Q 2565/607, C12Q 2565/631; (86) International application number: PCT/CN2021/090243 (87) International publication number: WO 2021/223627 (11.11.2021 Gazette 2021/45)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 07.05.2020 WO PCT/CN2020/088904 (71) Applicants: MGI Holdings Co., Limited Shenzhen, Guangdong 518083 (CN) BGI Shenzhen Shenzhen, Guangdong 518083 (CN)	(72) Inventors: LI, Shifeng San Jose, CA 95134 (US) KANEKAL, Hemanth San Jose, CA 95134 (US) ZHANG, Yuning Shenzhen, Guangdong 518083 (CN) YUN, Quanxin Shenzhen, Guangdong 51803 (CN) (74) Representative: Clark, Jane Anne et al Mathys & Squire The Shard 32 London Bridge Street London SE1 9SG London SE1 9SG (GB)